101 lines
3.3 KiB
C#
101 lines
3.3 KiB
C#
//-----------------------------------------------------------------------
|
|
// <copyright file="ColumnInfo.cs" company="Microsoft Corporation">
|
|
// Copyright (c) Microsoft Corporation.
|
|
// </copyright>
|
|
//-----------------------------------------------------------------------
|
|
|
|
namespace Microsoft.Isam.Esent.Interop
|
|
{
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Collections.ObjectModel;
|
|
|
|
/// <summary>
|
|
/// Information about one Esent column. This is not an interop
|
|
/// class, but is used by the meta-data helper methods.
|
|
/// </summary>
|
|
public sealed class ColumnInfo
|
|
{
|
|
/// <summary>
|
|
/// The default value of the column.
|
|
/// </summary>
|
|
private readonly ReadOnlyCollection<byte> defaultValue;
|
|
|
|
/// <summary>
|
|
/// Initializes a new instance of the ColumnInfo class.
|
|
/// </summary>
|
|
/// <param name="name">Name of the column.</param>
|
|
/// <param name="columnid">ID of the column.</param>
|
|
/// <param name="coltyp">Type of the column.</param>
|
|
/// <param name="cp">Codepage of the column.</param>
|
|
/// <param name="maxLength">Maximum length of the column.</param>
|
|
/// <param name="defaultValue">Column default value.</param>
|
|
/// <param name="grbit">Column option.</param>
|
|
internal ColumnInfo(
|
|
string name,
|
|
JET_COLUMNID columnid,
|
|
JET_coltyp coltyp,
|
|
JET_CP cp,
|
|
int maxLength,
|
|
byte[] defaultValue,
|
|
ColumndefGrbit grbit)
|
|
{
|
|
this.Name = name;
|
|
this.Columnid = columnid;
|
|
this.Coltyp = coltyp;
|
|
this.Cp = cp;
|
|
this.MaxLength = maxLength;
|
|
this.defaultValue = (null == defaultValue) ? null : new ReadOnlyCollection<byte>(defaultValue);
|
|
this.Grbit = grbit;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the name of the column.
|
|
/// </summary>
|
|
public string Name { get; private set; }
|
|
|
|
/// <summary>
|
|
/// Gets the ID of the column.
|
|
/// </summary>
|
|
public JET_COLUMNID Columnid { get; private set; }
|
|
|
|
/// <summary>
|
|
/// Gets the type of the column.
|
|
/// </summary>
|
|
public JET_coltyp Coltyp { get; private set; }
|
|
|
|
/// <summary>
|
|
/// Gets the code page of the column.
|
|
/// </summary>
|
|
public JET_CP Cp { get; private set; }
|
|
|
|
/// <summary>
|
|
/// Gets the maximum length of the column.
|
|
/// </summary>
|
|
public int MaxLength { get; private set; }
|
|
|
|
/// <summary>
|
|
/// Gets the default value of the column.
|
|
/// </summary>
|
|
public IList<byte> DefaultValue
|
|
{
|
|
get { return this.defaultValue; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the column options.
|
|
/// </summary>
|
|
public ColumndefGrbit Grbit { get; private set; }
|
|
|
|
/// <summary>
|
|
/// Returns a <see cref="T:System.String"/> that represents the current <see cref="ColumnInfo"/>.
|
|
/// </summary>
|
|
/// <returns>
|
|
/// A <see cref="T:System.String"/> that represents the current <see cref="ColumnInfo"/>.
|
|
/// </returns>
|
|
public override string ToString()
|
|
{
|
|
return this.Name;
|
|
}
|
|
}
|
|
} |